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A biologist wishes to estimate the effect of an antibiotic on the growth of a particular bacterium by examining the mean amount of bacteria present per plate of culture when a fixed amount of the antibiotic is applied. Previous experimentation with the antibiotic on this type of bacteria indicates that the standard deviation of the amount of bacteria present is approximately 13 cm2. Use this information to determine the number of observations {cultures that must be developed and then tested} to estimate the mean amount of bacteria present, using a 99% confidence interval with a half-width of 3 cm 2.
Using schematics block diagram design 3 bit down counter that count from (7-6-5-3-1-0)
From the given research, compare the major players better at batting than 20 years ago using five step hypothesis.
If you are the sales manager of Universal Studies Singapore, how would you price the entry tickets? Explain using the concepts like elasticity and revenue.
Suppose today's sample yielded a mean of $4.19 and a standard deviation of $0.10, create and interpret a 99% confidence interval for the population standard deviation. Assume the distribution of gas prices in the area follows a normal distribution..
A recent poll of 700 people who work indoors found that 278 smoke. If the researchers want to be 98% confident of their results to within 3.5 percentage points, how large a sample is necessary?
If $23,038 is invested today at an interest rate of 5.01 percent, compounded daily, how much money will have accumulated in a savings account in 6 years?
Construct a 90% confidence interval for the difference in true means. State the C.I. in terms of Boston-Buffalo
1. Why is the estimated standard error of the mean difference score smaller for the repeated measures t test?
a. Construct a 97.5% confidence interval for population proportion of all males who are left handed.
According to Thomas Kuhn on his "The Structure of Scientific Revolution", "the decision to reject one paradigm is always simultaneously the decision to accept.
Question: The mean weight 10 randomly selected newborn babies at a local hospital was found to be 7.14 and the standard deviation was found to be 0.87 lbs. If the weights of newborn babies is approximately normally distributed, a.) Find a 90% conf..
i) Write down the distribution of X, female height. ii) Write down the distribution of Are you relying on any theorems in your . answer? If yes explain.
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